<?php

/**
 * This is the model class for table "tbl_slide".
 *
 * The followings are the available columns in table 'tbl_slide':
 * @property integer $slide_id
 * @property string $slide_image
 * @property string $slide_url
 */
class Slide extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'tbl_slide';
	}
    
    /**
	 * @return string slide's filename
	 */
    public function getSlideFile($id) {         
        $slide_file=$this->findByPk($id);
        return $slide_file['slide_image'];
    }
    
    /**
    *@return boolean delete slide filename
    */
    public function delSlideFileName($id){
        $filename=Slide::model()->getSlideFile($id);
        if(file_exists(str_replace(DOMAIN,'',IMG_SLIDER_FOLDER).$filename)){
            chmod(str_replace(DOMAIN,'',IMG_SLIDER_FOLDER).$filename,0755);
            if(!unlink(str_replace(DOMAIN,'',IMG_SLIDER_FOLDER).$filename)){
                return false;
            }else{
                return true;
            }
        }else{
            return false;
        }
    }

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('slide_image', 'required','message'=>REQUIRED_NOT_NULL),
            array('slide_image','file','types'=>'jpg,jpeg,gif,png','wrongType'=>WRONG_TYPE,'tooLarge'=>'Giới hạn dung lượng 6Mb','maxSize'=>6388608),
            array('slide_url', 'url','allowEmpty'=>true,'message'=>IS_URL),
			array('slide_url', 'safe'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('slide_id, slide_image, slide_url', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'slide_id' => 'Mã',
			'slide_image' => 'Ảnh',
			'slide_url' => 'Link',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('slide_id',$this->slide_id);
		$criteria->compare('slide_image',$this->slide_image,true);
		$criteria->compare('slide_url',$this->slide_url,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Slide the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
}
